Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / ObjectListItem.cs / 1305376 / ObjectListItem.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.ComponentModel; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Security.Permissions; namespace System.Web.UI.MobileControls { /* * Object List Item class. * * Copyright (c) 2000 Microsoft Corporation */ ///[ ToolboxItem(false) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] public class ObjectListItem : MobileListItem { private String[] _fields; private bool _dirty; private ObjectList _owner; internal ObjectListItem(ObjectList owner) : this(owner, null) { } internal ObjectListItem(ObjectList owner, Object dataItem) : base(dataItem, null, null) { _owner = owner; _fields = new String[owner.AllFields.Count]; } private int FieldIndexFromKey(String key) { int index = _owner.AllFields.IndexOf (key); if (index == -1) { throw new ArgumentException( SR.GetString(SR.ObjectList_FieldNotFound, key)); } return index; } /// public String this[String key] { get { return this[FieldIndexFromKey (key)]; } set { this[FieldIndexFromKey (key)] = value; } } /// public String this[int index] { get { String s = _fields[index]; return (s != null) ? s : String.Empty; } set { _fields[index] = value; if (IsTrackingViewState) { _dirty = true; } } } /// public override bool Equals(Object obj) { ObjectListItem other = obj as ObjectListItem; if (other == null) { return false; } if (_fields == null && other._fields == null) { return true; } else if (_fields == null || other._fields == null) { return false; } if (_fields.Length != other._fields.Length) { return false; } for (int i = 0; i < _fields.Length; i++) { if (this[i] != other[i]) { return false; } } if(!Value.Equals(other.Value) || !Text.Equals(other.Text)) { return false; } return true; } /// public override int GetHashCode() { if (_fields.Length > 0) { return _fields[0].GetHashCode(); } else { return Value.GetHashCode(); } } ///////////////////////////////////////////////////////////////////////// // STATE MANAGEMENT, FOR ITEM'S DATA (NON-CONTROL) STATE. ///////////////////////////////////////////////////////////////////////// internal override Object SaveDataState() { Object baseState = base.SaveDataState (); if (_dirty && _fields != null) { int fieldCount = _fields.Length; Object[] itemState = new Object[fieldCount + 1]; itemState[0] = baseState; for (int i = 0; i < fieldCount; i++) { itemState[i + 1] = _fields[i]; } return itemState; } else if (baseState != null) { return new Object[1] { baseState }; } else { return null; } } internal override void LoadDataState(Object state) { if (state != null) { Object[] itemState = (Object[])state; int fieldCount = itemState.Length; base.LoadDataState (itemState[0]); _fields = new String[fieldCount - 1]; for (int i = 1; i < fieldCount; i++) { _fields[i - 1] = (String)itemState[i]; } } } internal override bool Dirty { get { return _dirty || base.Dirty; } set { _dirty = true; base.Dirty = value; } } ///////////////////////////////////////////////////////////////////////// // EVENT BUBBLING ///////////////////////////////////////////////////////////////////////// /// protected override bool OnBubbleEvent(Object source, EventArgs e) { if (e is CommandEventArgs) { ObjectListCommandEventArgs args = new ObjectListCommandEventArgs(this, source, (CommandEventArgs)e); RaiseBubbleEvent (this, args); return true; } return false; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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